The Windows portion of Native Messagaing

base/process_util_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/process_util.h"
 
 #include <fcntl.h>
 #include <io.h>
 #include <windows.h>
 #include <userenv.h>
@@ skipping 288 matching lines @@
 bool LaunchProcess(const string16& cmdline,
                    const LaunchOptions& options,
                    ProcessHandle* process_handle) {
   STARTUPINFO startup_info = {};
   startup_info.cb = sizeof(startup_info);
   if (options.empty_desktop_name)
     startup_info.lpDesktop = L"";
   startup_info.dwFlags = STARTF_USESHOWWINDOW;
   startup_info.wShowWindow = options.start_hidden ? SW_HIDE : SW_SHOW;
 
+  if (options.stdin_handle != kNullProcessHandle) {
+    startup_info.dwFlags |= STARTF_USESTDHANDLES;
+    startup_info.hStdInput = options.stdin_handle;
+  }
+  if (options.stdout_handle != kNullProcessHandle) {
+    startup_info.dwFlags |= STARTF_USESTDHANDLES;
+    startup_info.hStdOutput = options.stdout_handle;
+  }
+
   DWORD flags = 0;
 
   if (options.job_handle) {
     flags |= CREATE_SUSPENDED;
 
     // If this code is run under a debugger, the launched process is
     // automatically associated with a job object created by the debugger.
     // The CREATE_BREAKAWAY_FROM_JOB flag is used to prevent this.
     flags |= CREATE_BREAKAWAY_FROM_JOB;
   }
@@ skipping 13 matching lines @@
     BOOL launched =
         CreateProcessAsUser(options.as_user, NULL,
                             const_cast<wchar_t*>(cmdline.c_str()),
                             NULL, NULL, options.inherit_handles, flags,
                             enviroment_block, NULL, &startup_info,
                             process_info.Receive());
     DestroyEnvironmentBlock(enviroment_block);
     if (!launched)
       return false;
   } else {
+    ::SetLastError(0);

[Matt Perry, 2012/10/24 23:40:31]

Is this needed?

[eaugusti, 2012/10/30 22:03:12]

Stray edit.

     if (!CreateProcess(NULL,
                        const_cast<wchar_t*>(cmdline.c_str()), NULL, NULL,
                        options.inherit_handles, flags, NULL, NULL,
                        &startup_info, process_info.Receive())) {
       return false;
     }
   }
 
   if (options.job_handle) {
     if (0 == AssignProcessToJobObject(options.job_handle,
@@ skipping 642 matching lines @@
 
   PERFORMANCE_INFORMATION info;
   if (!InternalGetPerformanceInfo(&info, sizeof(info))) {
     DLOG(ERROR) << "Failed to fetch internal performance info.";
     return 0;
   }
   return (info.CommitTotal * system_info.dwPageSize) / 1024;
 }
 
 }  // namespace base